Column: How Kamala Harris's first big decision backfiredThe final month of election 2024 begins with J. D. Vance triumphant, Tim Walz wounded, and the presidential race too close to call. By now, it should go without saying that Walz bombed in Tuesday’s debate with Vance. The Democratic vice-presidential nominee appeared nervous and uncomfortable and uncertain of how to respond to the conflict between Israel and Iran. He hardly landed a blow on the youthful, confident, fluent, and unflappable Vance until the final minutes of the bout. Walz spoke too fast, made silly faces, and squirmed when confronted with the fact...